city sewage meaning in English

城市污水

The utilization of bot model in city sewage treatment
模式在我国城市污水治理中的应用
Humble opinion of the mechnism of city sewage treatment collecting fees
浅议城市污水处理收费机制
The study and construction of city sewage treatment and supporting system
谈城市污水治理支持系统的建设
Optimization research of phoredox removal of phosphorus and nitrogen technology of city sewage
除磷脱氮工艺优化研究
Improving and optimizing sludge treatment system of shaoxing city sewage treatment plant
绍兴市污水处理厂污泥处理系统的改进和优化

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